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Theorem sgn-mklist-05

⊦ 0 < i → sgn(mklist(boolvar, i→n(i))) = boolvar '

Type: A user defined theorem
Validity: The proof is valid.
Features: simp, localsimp,
Comment:
Used by:
Used by units in proved state: int2bits,
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 1
Proof steps: 1
Used lemmas: sgn-empty, sgn-mklist-03,
Used spec theorems:
- Used simplifier rules:
  - intnat/abs-zero
  - int-abs/forward-le-05
  - list-last/bitlista/mk-zero
  - list/bitlista/e